Specifications include, but are not limited to: To establish a term contract to provide trailer parts, automotive and truck lighting parts, mirrors and safety supplies required for various pieces of rolling stock equipment owned by the City of Mesa. a. CONTRACT ADMINISTRATOR. The Contract Administrator/designee, will be responsible for auditing invoices, approving payments, establishing delivery schedules, approving addenda to the Contract, and generally will be responsible for overseeing the execution of the Contract. b. QUANTITIES. Estimated quantity requirements shown on the Pricing and Compensation form represent the City's best estimate of annual purchases and this request for bid is intended to cover the complete and actual requirements for the type of items listed. The list furnished may not list all of the items to be purchased, and all estimates are subject to change. The City of Mesa reserves the right to purchase supplies from sources other than the contracted vendor(s) as deemed necessary in order to assure continuity of supply. The City will place orders intermittently during the contract period. Every attempt will be made to place orders in bulk to reduce shipping costs. c. PARTS EXCHANGE AND RETURNS. Contractor expressly agrees to exchange on an equal dollar basis all unused parts of the same manufacturer and brand purchased during the contract. Parts to be exchanged will be those parts which have become obsolete to the City. The City will be the sole judge of obsolescence. Stock clean ups will be made on an annual or bi-annual basis as needed. Copies of invoices will not be supplied for returns or stock clean ups. Contractor shall issue credit for use against future purchases for the returned parts. d. INVENTORY LEVELS. Contractor will be required to maintain a sufficient local inventory to provide daily support of the City’s requirement. Failure to supply sufficient support may result in termination of the contract. The parts listed are considered “fast moving” for the purpose of this contract. The Contractor shall furnish 90% of all quantities ordered within one (1) calendar day from the date the verbal or electronic order was placed with the Contractor by the City, even if it requires the Contractor to secure the parts from sources other than the Contractor’s normal supply sources at no additional cost to the City. e. EVALUATING PRICE. Pricing will be calculated as a percentage discount applied against the manufacturer’s price lists in effect at the time the order is placed. Discounts quoted by the bidder shall be applicable during the entire term of the Contract, as well as for the entire term of any renewal contract. Bidders must submit a current copy of their manufacturer’s list price with the bid. The awarded contractor shall supply the designated City Representative with the appropriate price lists 30 days prior to each list effective date.